<template>
  <div
    :class="{ fullscreen: fullscreen }"
    class="tinymce-container"
    :style="{ width: containerWidth }"
  >
    <textarea :id="tinymceId" class="tinymce-textarea" />
    <!-- <div class="editor-custom-btn-container">
      <editorImage color="#1890ff" class="editor-upload-btn" @successCBK="imageSuccessCBK" />
    </div> -->
  </div>
</template>
<script>
/**
 * docs:
 * https://panjiachen.github.io/vue-element-admin-site/feature/component/rich-editor.html#tinymce
 */
// import editorImage from './components/EditorImage'
import plugins from './plugins'
import toolbar from './toolbar'
import load from './dynamicLoadScript'
import axios from 'axios'
import { uploadURL } from '@/settings.js'

// why use this cdn, detail see https://github.com/PanJiaChen/tinymce-all-in-one
const tinymceCDN =
  'https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.3/tinymce.min.js'
// const tinymceCDN = process.env.BASE_URL + 'tinymce/tinymce.min.js'

export default {
  name: 'Tinymce',
  // components: { editorImage },
  props: {
    id: {
      type: String,
      default: function () {
        return (
          'vue-tinymce-' +
          +new Date() +
          ((Math.random() * 1000).toFixed(0) + '')
        )
      }
    },
    value: {
      type: String,
      default: ''
    },
    toolbar: {
      type: Array,
      required: false,
      default() {
        return []
      }
    },
    menubar: {
      type: String,
      default: 'file edit insert view format table'
    },
    height: {
      type: [Number,
        String],
      required: false,
      default: 360
    },
    width: {
      type: [Number,
        String],
      required: false,
      default: 'auto'
    }
  },
  data() {
    return {
      hasChange: false,
      hasInit: false,
      tinymceId: this.id,
      fullscreen: false,
      languageTypeList: {
        en: 'en',
        zh: 'zh_CN',
        es: 'es_MX',
        ja: 'ja'
      }
    }
  },
  computed: {
    containerWidth() {
      const width = this.width
      if (/^[\d]+(\.[\d]+)?$/.test(width)) {
        // matches `100`, `'100'`
        return `${width}px`
      }
      return width
    },
    token() {
      return this.$store.getters.userInfo.token
    },
    baseUrl() {
      return process.env.VUE_APP_API_PREFIX
    }
  },
  watch: {
    value(val) {
      if (!this.hasChange && this.hasInit) {
        this.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || '')
        )
      }
    }
  },
  mounted() {
    this.init()
  },
  activated() {
    if (window.tinymce) {
      this.initTinymce()
    }
  },
  deactivated() {
    this.destroyTinymce()
  },
  destroyed() {
    this.destroyTinymce()
  },
  methods: {
    init() {
      // dynamic load tinymce from cdn
      load(tinymceCDN, (err) => {
        if (err) {
          this.$message.error(err.message)
          return
        }
        this.initTinymce()
      })
    },
    initTinymce() {
      const _this = this
      window.tinymce.init({
        selector: `#${this.tinymceId}`,
        language: this.languageTypeList['zh'],
        height: this.height,
        body_class: 'panel-body ',
        object_resizing: false,
        toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
        menubar: this.menubar,
        plugins: plugins,
        forced_root_block: '', // 去除默认的p标签
        end_container_on_empty_block: true,
        powerpaste_word_import: 'clean',
        code_dialog_height: 450,
        code_dialog_width: 1000,
        advlist_bullet_styles: 'square',
        advlist_number_styles: 'default',
        imagetools_cors_hosts: ['www.tinymce.com',
          'codepen.io'],
        default_link_target: '_blank',
        link_title: false,
        nonbreaking_force_tab: true, // inserting nonbreaking space &nbsp; need Nonbreaking Space Plugin
        // convert_urls: false, // 控制URL不自动收缩
        init_instance_callback: (editor) => {
          if (_this.value) {
            editor.setContent(_this.value)
          }
          _this.hasInit = true
          editor.on('NodeChange Change KeyUp SetContent', () => {
            this.hasChange = true
            this.emitChange(editor.getContent())
          })
        },
        file_picker_callback: function (callback, value, meta) {
          var filetype =
            '.pdf, .txt, .zip, .rar, .7z, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .mp3, .mp4'
          // 为不同插件指定文件类型
          switch (meta.filetype) {
            case 'image':
              filetype = '.jpg, .jpeg, .png, .gif'
              break
            case 'media':
              filetype = '.mp3, .mp4'
              break
            case 'file':
            default:
          }
          // if (meta.filetype === 'file') {
          //   callback('https://www.baidu.com/img/bd_logo1.png', { text: 'My text' });
          // }
          // if (meta.filetype === 'image') {
          //   callback('https://www.baidu.com/img/bd_logo1.png', { alt: 'My alt text' });
          // }
          // 主要判断 media
          const input = document.createElement('input') // 创建一个隐藏的input
          input.setAttribute('type', 'file')
          input.setAttribute('accept', filetype)
          input.onchange = function () {
            const file = this.files[0]
            const fd = new FormData()
            fd.append('file', file)
            axios({
              url: uploadURL,
              method: 'post',
              data: fd,
              headers: {
                // 单个请求设置请求头
                Authorization: _this.token
              }
            }).then((res) => {
              const rr = res.data.data
              // callback 回调的作用是将所选择的视频的url显示在输入框中
              callback(_this.baseUrl + rr.url)
            })
          }
          // 触发点击
          input.click()
        },
        media_url_resolver: function (data, resolve) {
          try {
            const videoUri = encodeURI(data.url)
            const embedHtml = `<p>
            <span
                class="mce-object mce-object-video"
                data-mce-selected="1"
                data-mce-object="video"
                data-mce-p-width="100%"
                data-mce-p-height="auto"
                data-mce-p-controls="controls"
                data-mce-p-controlslist="nodownload"
                data-mce-p-allowfullscreen="true"
                data-mce-p-src=${videoUri} >
                <video src=${data.url} width="100%" height="auto" controls="controls" controlslist="nodownload">
                </video>
            </span>
        </p>
        <p style="text-align: left;"></p>`
            resolve({ html: embedHtml })
          } catch (e) {
            resolve({ html: '' })
          }
        },
        setup(editor) {
          editor.on('FullscreenStateChanged', (e) => {
            _this.fullscreen = e.state
          })
        },
        convert_urls: false
        // 整合七牛上传
        // images_dataimg_filter(img) {
        //   setTimeout(() => {
        //     const $image = $(img);
        //     $image.removeAttr('width');
        //     $image.removeAttr('height');
        //     if ($image[0].height && $image[0].width) {
        //       $image.attr('data-wscntype', 'image');
        //       $image.attr('data-wscnh', $image[0].height);
        //       $image.attr('data-wscnw', $image[0].width);
        //       $image.addClass('wscnph');
        //     }
        //   }, 0);
        //   return img
        // },
        // images_upload_handler(blobInfo, success, failure, progress) {
        //   progress(0);
        //   const token = _this.$store.getters.token;
        //   getToken(token).then(response => {
        //     const url = response.data.qiniu_url;
        //     const formData = new FormData();
        //     formData.append('token', response.data.qiniu_token);
        //     formData.append('key', response.data.qiniu_key);
        //     formData.append('file', blobInfo.blob(), url);
        //     upload(formData).then(() => {
        //       success(url);
        //       progress(100);
        //     })
        //   }).catch(err => {
        //     failure('出现未知问题，刷新页面，或者联系程序员')
        //     console.log(err);
        //   });
        // },
      })
    },
    emitChange(value) {
      // eslint-disable-next-line no-misleading-character-class
      const content = String(value).replace(
        // eslint-disable-next-line no-misleading-character-class
        /[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF][\u200D|\uFE0F]|[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF]|[0-9|*|#]\uFE0F\u20E3|[0-9|#]\u20E3|[\u203C-\u3299]\uFE0F\u200D|[\u203C-\u3299]\uFE0F|[\u2122-\u2B55]|\u303D|[\A9|\AE]\u3030|\uA9|\uAE|\u3030/gi,
        ''
      )
      this.$emit('input', content)
      if (content !== value) {
        window.tinymce.get(this.tinymceId).setContent(content || '')
      }
    },
    destroyTinymce() {
      const tinymce = window.tinymce.get(this.tinymceId)
      if (this.fullscreen) {
        tinymce.execCommand('mceFullScreen')
      }

      if (tinymce) {
        tinymce.destroy()
      }
    },
    setContent(value) {
      window.tinymce.get(this.tinymceId).setContent(value)
    },
    getContent() {
      window.tinymce.get(this.tinymceId).getContent()
    },
    imageSuccessCBK(arr) {
      arr.forEach((v) =>
        window.tinymce
          .get(this.tinymceId)
          .insertContent(`<img class="wscnph" src="${v.url}" >`)
      )
    }
  }
}
</script>

<style scoped lang="scss">
.tinymce-container {
  position: relative;
  line-height: normal;
}
.tinymce-container >>> .mce-fullscreen {
  z-index: 10000;
}
.tinymce-textarea {
  visibility: hidden;
  z-index: -1;
}
.editor-custom-btn-container {
  position: absolute;
  right: 4px;
  top: 4px;
  /*z-index: 2005;*/
}
.fullscreen .editor-custom-btn-container {
  z-index: 10000;
  position: fixed;
}
.editor-upload-btn {
  display: inline-block;
}
// .screen-form ::v-deep .mce-panel {
//   background: transparent;
//   border: 1px solid #0074e0;

//   .mce-menubtn button span {
//     color: #fff;
//   }
//   .mce-menubtn button:hover {
//     background: #0074e0;
//   }
// }
// .screen-form ::v-deep .mce-content-body {
//   background: transparent;
// }
</style>
<style lang="scss">
.tinymce-container {
  .mce-statusbar.mce-container.mce-panel {
    .mce-branding.mce-widget {
      display: none;
    }
  }
}
</style>
